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    Vaccine. 2005 Mar 18;23(17-18):2298-303.

    Protection against group A streptococcal infection by vaccination with self-adjuvanting lipid core M protein peptides.

    Source

    Cooperative Research Centre for Vaccine Technology, The Queensland Institute of Medical Research, PO Royal Brisbane Hospital, Division of Infectious Diseases and Immunology, Herston, Brisbane, Qld 4029, Australia. colleenO@qimr.edu.au

    Abstract

    We have investigated the lipid polylysine core peptide (LCP) system as a self-adjuvanting group A streptococcal (GAS) vaccine delivery approach. LCP constructs were synthesised incorporating peptides from the M protein conserved carboxy terminal C-repeat region, the amino terminal type-specific region and from both of these regions. Immunisation with the constructs without adjuvant led to the induction of peptide-specific serum IgG antibody responses, heterologous opsonic antibodies, and complete protection from GAS infection. These data indicate that protective immunity to GAS infection can be evoked using the self-adjuvanting LCP system, and point to the potential application of this system in human mucosal GAS vaccine development.

    PMID:
    15755615
    [PubMed - indexed for MEDLINE]

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